Execute (Session: :SSave foo):
  edit include/testfile.txt
  SSave foo
  SClose
Do:
  e
Expect:
  
Execute (Session: :SLoad foo):
  silent SLoad foo
Expect:
  This is just a simple test file.
  Foo, bar, quux.

Execute (Session: :SDelete foo):
  Assert 1 == filereadable(g:startify_session_dir.'/foo')
  SDelete foo
  Assert 0 == filereadable(g:startify_session_dir.'/foo')